1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4 */
5
6 #ifndef _CCU_NK_H_
7 #define _CCU_NK_H_
8
9 #include "ccu.h"
10 #include "ccu_common.h"
11 #include "ccu_div.h"
12 #include "ccu_mult.h"
13
14 /*
15 * struct ccu_nk - Definition of an N-K clock
16 *
17 * Clocks based on the formula parent * N * K
18 */
19 struct ccu_nk
20 {
21 u16 reg;
22 u32 enable;
23 u32 lock;
24
25 struct ccu_mult_internal n;
26 struct ccu_mult_internal k;
27
28 unsigned int fixed_post_div;
29
30 struct ccu_common common;
31 };
32
33 #define SUNXI_CCU_NK_WITH_GATE_LOCK_POSTDIV(_struct, _name, _parent, _reg, \
34 _nshift, _nwidth, \
35 _kshift, _kwidth, \
36 _gate, _lock, _postdiv, \
37 _flags) \
38 struct ccu_nk _struct = { \
39 .enable = _gate, \
40 .lock = _lock, \
41 .k = _SUNXI_CCU_MULT(_kshift, _kwidth), \
42 .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \
43 .fixed_post_div = _postdiv, \
44 .common = { \
45 .reg = _reg, \
46 .features = CCU_FEATURE_FIXED_POSTDIV, \
47 .hw.init = CLK_HW_INIT(_name, \
48 _parent, \
49 &ccu_nk_ops, \
50 _flags), \
51 }, \
52 }
53
hw_to_ccu_nk(struct clk_hw * hw)54 static inline struct ccu_nk *hw_to_ccu_nk(struct clk_hw *hw)
55 {
56 struct ccu_common *common = hw_to_ccu_common(hw);
57
58 return container_of(common, struct ccu_nk, common);
59 }
60
61 extern const struct clk_ops ccu_nk_ops;
62
63 #endif /* _CCU_NK_H_ */
64